Paper Title:
The Research of Non-Uniformity Correction of Infrared Image in Thermal Wave Testing Based on Homomorphism Technology
  Abstract

The infrared thermal wave technology is a new nondestructive testing (NDT) method with a kind of advantage, including non-contact, intuitionistic, fast et al. But the infrared images always have defects that the low-contrast and high-noise due to uneven brightness and calefaction in the testing process, which enhance the difficulty of following quantitative distinguishment of defects. Therefore, the improved homomorphic filtering is given in this article. The detailed processes of the method and testing results are given. The results of the experiments show that the method has higher peak signal to noise ratio (PSNR), can improve image quality, which establish basis for future research of image segmentation.

  Info
Periodical
Edited by
Qi Luo
Pages
2376-2380
DOI
10.4028/www.scientific.net/AMM.58-60.2376
Citation
Y. J. Song, W. Zhang, Z. W. Yang, G. F. Jin, "The Research of Non-Uniformity Correction of Infrared Image in Thermal Wave Testing Based on Homomorphism Technology", Applied Mechanics and Materials, Vols. 58-60, pp. 2376-2380, 2011
Online since
June 2011
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